RES TEMPS problems

I for the life of me cannot keep my 5 gal res temps down! im using 2 frozen water bottles, bringing thetemp down to 65, but eventualy always goes back to 74, i have 5 dwc buckets, their has got to be a better way to keep the res cool! any ideas? besides an expensive cooling system, or a a shitload of frozen water bottles.
PLEASE HELP!:wall:
 
hell...come to think of it...if you got the right kind of material just make a loop out in the backyard about 6 feet down (mind the gas and phone lines)

the earth usually will do the rest of the work if you just pump water through it
 
Pics and more info would help too, if possible.

Color of buckets ?
Any color besides black causes light leaks and black attracts heats.
May have to get reflective insulation wrap from Lowes/Home Depot.

Light wattage and ambient air temps in grow room ?

Two members, Weedler and BeaverHuntr, use the 5gal Igloo style cooler buckets from Lowes/Home Depot that you see used for construction sites/sporting events, and love it now.
Just some thoughts.
 
I bet you wouldn't even need to go much under the freeze line. for me that's about 2' I was thinkng a large rez filled with water to run air line threw to help cool my green house. lol never thought of just running water in the same type setup. thats a good idea chubby.
 
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